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//===--- RefactoringResultConsumer.h - Clang refactoring library ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H
#define LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H
#include "clang/Basic/LLVM.h"
#include "clang/Tooling/Refactoring/AtomicChange.h"
#include "clang/Tooling/Refactoring/Rename/SymbolOccurrences.h"
#include "llvm/Support/Error.h"
namespace clang {
namespace tooling {
/// An abstract interface that consumes the various refactoring results that can
/// be produced by refactoring actions.
///
/// A valid refactoring result must be handled by a \c handle method.
class RefactoringResultConsumer {
public:
virtual ~RefactoringResultConsumer() {}
/// Handles an initiation or an invication error. An initiation error typically
/// has a \c DiagnosticError payload that describes why initiation failed.
virtual void handleError(llvm::Error Err) = 0;
/// Handles the source replacements that are produced by a refactoring action.
virtual void handle(AtomicChanges SourceReplacements) {
defaultResultHandler();
}
/// Handles the symbol occurrences that are found by an interactive
/// refactoring action.
virtual void handle(SymbolOccurrences Occurrences) { defaultResultHandler(); }
private:
void defaultResultHandler() {
handleError(llvm::make_error<llvm::StringError>(
"unsupported refactoring result", llvm::inconvertibleErrorCode()));
}
};
} // end namespace tooling
} // end namespace clang
#endif // LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H
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